Female adolescence views on dating
Third, during adolescence individuals begin thinking more often about the process of thinking itself, or metacognition.
Menarche, the first menstrual period, happens relatively late, not at the start of puberty as many people believe.
Compared to children, adolescents think in ways that are more advanced, more efficient, and generally more complex. First, during adolescence individuals become better able than children to think about what is possible, instead of limiting their thought to what is real.
Whereas children's thinking is oriented to the here and now—that is, to things and events that they can observe directly, adolescents are able to consider what they observe against a backdrop of what is possible—they can think hypothetically.
The physical changes of puberty are triggered by hormones, chemical substances in the body that act on specific organs and tissues.
In boys a major change is the increased production of testosterone, a male sex hormone, while girls experience increased production of the female hormone estrogen.